Cẩm nang dữ liệu không dây P8

FITTING APPLICATIONS TO PUBLIC OFFERINGS NETWORK PRICE POSITIONING We are always interested in simple ways to classify complex choices. An initial “application fit” technique for terrestrial, two-way wireless data networks is shown in .igure 8-1. If traffic activity is brisk but message lengths are short, public packet switched networks are a reasonable business choice. If traffic activity is modest but message lengths are long, data over cellular channels are a better fit. This category includes “pure” (image) facsimile....